RD
Robert Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Dunn across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 3-person household.
Age 57
b. ~1883
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Dunn |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Custodian |
| Industry | Board of Public Education |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2662 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Custodian |
| Township / Ward | Pittsburgh |
| Est. Birth Year | ~1883 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Dunn | Head | — | 57 | ~1883 |
| Robert Dunn | Son | — | 19 | ~1921 |
| Lillian Dunn | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 37
Allegheny, Pennsylvania · implied b. ~1883 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Robert T. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | clerk |
| Industry | iron works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 47
Allegheny, Pennsylvania · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Robert J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 27 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Custodian |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8,750 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 57
Allegheny-County, Pennsylvania · implied b. ~1883 — 3 household members
| Surname | Dunn |
| Given Name | Robert H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Custodian |
| Industry | Board of Public Education |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2662 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Robert Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Dunn
Head · 1940 · age 57 · b. ~1883 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-03676-00167)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earl N. Ross | 29 | Brother | Draftsman | Pennsylvania |
| 42 | William H. Mueller | 46 | Head | Clerk | Pennsylvania |
| 43 | Cora B. Mueller | 46 | Wife | — | Pennsylvania |
| 44 | Martha G. Mueller | 17 | Daughter | — | Pennsylvania |
| 45 | Kenneth P. Mueller | 16 | Son | — | Pennsylvania |
| 46 | Margaret L. Mueller | 8 | Daughter | — | Pennsylvania |
| 47 | Irving E. Kemp | 53 | Head | Accountant | Pennsylvania |
| 48 | Leila A. Kemp | 48 | Wife | — | New York |
| 49 | Irving E. Jr. Kemp | 21 | Son | — | Pennsylvania |
| 50 | Wesley H. Kemp | 19 | Son | Clerk | Pennsylvania |
| 51 | Mary Hershman | 69 | Aunt | — | New York |
| 52 | Robert H. Dunn THIS PERSON | 57 | Head | Custodian | Pennsylvania |
| 53 | Lillian P. Dunn | 57 | Wife | — | Pennsylvania |
| 54 | Robert T. G. Dunn | 19 | Son | New Worker | Pennsylvania |
| 55 | Melville Osborne | 56 | Head | Custodian | Pennsylvania |
| 56 | E. Louise Osborne | 52 | Wife | — | Pennsylvania |
| 57 | Martha L. Osborne | 28 | Daughter | Clerk | Pennsylvania |
| 58 | Judith Dunn | 35 | Lodger | Waitress | Pennsylvania |
| 59 | Nelson Pierce | 41 | Head | Clerk | Pennsylvania |
| 60 | Edith Pierce | 43 | Wife | — | Pennsylvania |
| 61 | Marilyn Pierce | 17 | Daughter | — | Pennsylvania |
| 62 | Doris Pierce | 5 | Daughter | — | Pennsylvania |
| 63 | Harold W. Larson | 29 | Head | Salesman | Pennsylvania |
| 64 | Kathryn M. Larson | 26 | Wife | — | Pennsylvania |
| 65 | Esther K. Larson | 3 | Daughter | — | Pennsylvania |
| 66 | James M. Critchfield | 45 | Head | School Representative | Missouri |
| 67 | Mona Critchfield | 45 | Wife | — | W. Virginia |
| 68 | Robert M. Critchfield | 16 | Son | — | Colorado |
| 69 | Monalie Critchfield | 14 | Daughter | — | N. Carolina |
| 70 | Robert L. Mason | 76 | Father-in-law | — | W. Virginia |
| 71 | Charles Herman | 33 | Head | Draftsman | Pennsylvania |
| 72 | Martha Herman | 29 | Wife | — | Pennsylvania |
| 73 | Jane C. Herman | 2 | Daughter | — | Pennsylvania |
| 74 | Charles F. Herman | 0 | Son | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)